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A136979
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Numbers n such that n and the square of n use only the digits 1, 2, 3, 6 and 7.
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1
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1, 6, 11, 26, 61, 111, 131, 276, 611, 2761, 11731, 12776, 27611, 36361, 36376, 37111, 116731, 116761, 161761, 163131, 611361, 613361, 1166731, 1166761, 1171376, 1273276, 1277761, 1327261, 1616376, 1636361, 1662261, 3336731, 3371376, 3636361, 6113376, 11237111, 11237131, 11666731, 11666761, 12771731, 12777761, 13272631, 16632111
(list; graph; refs; listen; history; internal format)
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